CN106745249B - BiVO4The hydro-thermal method preparation process of nano wire - Google Patents

BiVO4The hydro-thermal method preparation process of nano wire Download PDF

Info

Publication number
CN106745249B
CN106745249B CN201710042462.3A CN201710042462A CN106745249B CN 106745249 B CN106745249 B CN 106745249B CN 201710042462 A CN201710042462 A CN 201710042462A CN 106745249 B CN106745249 B CN 106745249B
Authority
CN
China
Prior art keywords
bivo
nano wire
preparation process
hydro
added
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710042462.3A
Other languages
Chinese (zh)
Other versions
CN106745249A (en
Inventor
秦冬冬
耿园园
段世芳
李洋
王秋红
贺彩花
权晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwest Normal University
Original Assignee
Northwest Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northwest Normal University filed Critical Northwest Normal University
Priority to CN201710042462.3A priority Critical patent/CN106745249B/en
Publication of CN106745249A publication Critical patent/CN106745249A/en
Application granted granted Critical
Publication of CN106745249B publication Critical patent/CN106745249B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G31/00Compounds of vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20Vanadium, niobium or tantalum
    • B01J23/22Vanadium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • C01P2004/16Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention discloses a kind of BiVO4The hydro-thermal method preparation process of nano wire, belongs to semiconductor nano material preparing technical field.BiVO is carried out on FTO glass by elder generation4The spin coating and calcining of seed liquor obtain BiVO4Then seed layer prepares BiVO in a kettle with hydro-thermal method4Nano wire, finally by BiVO obtained4Nano wire is placed in the annealing of tube furnace high temperature.Preparation process of the present invention is simple, easy to operate, and whole preparation process is not necessarily to expensive equipment, of low cost, BiVO obtained4Nano wire has good crystal form, photocatalytic activity high;Preparation process carries out in a kettle, convenient for picking and placeing for FTO glass, will not cause to damage to sample, and temperature can reach very high in reaction kettle, can exploratory response temperature be more than 100 DEG C when to BiVO4The influence of nanowire growth;Generation of the whole preparation process of the present invention without poisonous and harmful substances not can cause environmental pollution, will not be detrimental to health, safe and environment-friendly.

Description

BiVO4The hydro-thermal method preparation process of nano wire
Technical field
The invention belongs to semiconductor nano material preparing technical fields, and in particular to a kind of BiVO4The hydro-thermal method of nano wire Preparation process.
Background technology
Currently, the significant challenge and China's implementation development strategy that environmental pollution and energy shortage, which are people, to be faced are preferential It solves the problems, such as, therefore, the importance of development green low-carbon environment-friendly science and technology increasingly highlights.In recent years, photocatalysis is as a kind of green Color low-carbon technology develops rapidly, it can directly utilize the organic pollution in solar radiation photocatalytic degradation water and air, can Solar energy is changed into chemical energy, and it is used.Therefore, in terms of the control of environmental pollution and the exploitation of new energy, light Catalysis technique has great potentiality.
In the novel photocatalysis material reported, pucherite is(BiVO4)A kind of photochemical catalyst of great potential, band gap It is relatively narrow, about 2.4eV, and preparation is simple, stability is high, nontoxic, is more and more closed in visible light catalytic research field Note.Currently, BiVO4The preparation of nano wire mostly uses circumfluence method, as Jinzhan Su et al. provide a kind of use reflux legal system The method of standby vanadic acid bismuth nano-wire, has the FTO of seed layer to be put into conical flask spin coating, face-up, immerses BiVO4Solution In, then conical flask is placed in the water-bath of temperature-controllable, one condenser pipe of connection is as reflux, then by BiVO4It is molten Liquid is stirred at reflux 6h at different temperatures, then takes out the FTO for being coated with seed layer from solution, is rinsed with deionized water, it It is dried up afterwards with nitrogen, then sample is shelved on to the centre of tube furnace, be warming up to 500 DEG C in air with the rate of 2 DEG C/min, protected It holds 30 min and has obtained BiVO4Nano wire (Jinzhan Su, Liejin Guo, Sorachon Yoriya, and Craig A. Grimes. Aqueous Growth of Pyramidal-Shaped BiVO4 Nanowire Arrays and Structural Characterization: Application to Photoelectrochemical Water Splitting. Cryst. Growth Des., 2010, 10(2): 856-861).But the above method has the following disadvantages: 1, preparation facilities is complicated, and process is cumbersome, of high cost;2, preparation process carries out in conical flask, and FTO's picks and places inconvenience, is easy Destroy sample;3, the maximum temperature of heating water bath can only achieve 100 DEG C, can not consider higher temperature to BiVO4Nanowire growth Influence.
Invention content
A kind of the object of the present invention is to provide preparation facilities and process simple, low-cost BiVO4The hydro-thermal of nano wire Method preparation process, to obtain the BiVO that pattern is good, photocatalytic activity is high4Nano wire.
The purpose of the present invention is what is realized in the following way:BiVO is first carried out on FTO glass4The spin coating of seed liquor and Calcining obtains BiVO4Then seed layer prepares BiVO in a kettle with hydro-thermal method4Nano wire, finally by BiVO obtained4It receives Rice noodles are placed in the annealing of tube furnace high temperature.Specifically include following steps:
(1)BiVO4The preparation of seed liquor
The citric acid for weighing the bismuth nitrate of 3-5mmol, the ammonium metavanadate of 3-5 mmol and 8-10 mmol is dissolved in 15- 20mL, the HNO that volume fraction is 23.3%3In solution, A liquid is formed;It takes 6-8mL A liquid in 50mL glass beakers, is added 0.48-0.64g PVA and 1.5-2mL acetic acid stirs to being completely dissolved, obtains sticky BiVO4Blue seed liquor;
(2)BiVO4The preparation of seed layer
By step(1)Middle BiVO4Seed liquor is spin-coated on clean FTO glass and is placed in Muffle furnace, with 2 DEG C/min's Rate is warming up to 400 DEG C, and calcining 4-6h obtains BiVO4Seed layer is placed in the polytetrafluoroethyllining lining of reaction kettle;
(3)BiVO4The preparation of nano wire
In 50mL glass beakers, 16-20mL deionized waters and 4-6mL HNO is added3, stirring makes it be uniformly mixed, so The bismuth nitrate of the ammonium metavanadate and 0.5-1mmol of 0.5-1mmol is added afterwards, is added 5.0-5.7g's after it is completely dissolved NaHCO3, after stirring 20-30min, it is transferred to step(3)In the polytetrafluoroethyllining lining of middle reaction kettle, 2- is reacted at 120 DEG C It is taken out after 10h, natural cooling is rinsed well with deionized water, drying;
(4)BiVO4The annealing of nano wire
By step(3)Sample obtained, which is placed in porcelain boat, to be placed among tube furnace, in air with 2-2.5 DEG C/min's Rate is warming up to 500-600 DEG C, keeps 30-60min.
The present invention selects FTO glass for base material, and BiVO is prepared for using hydro-thermal method4Nano wire, preparation process is simple, Easy to operate, whole preparation process is not necessarily to expensive equipment, of low cost, BiVO obtained4Nano wire has good shape Looks feature, photocatalytic activity are high;Preparation process carries out in a kettle, convenient for picking and placeing for FTO glass, will not cause to damage to sample Wound, and temperature can reach very high in reaction kettle, can exploratory response temperature when being more than 100 DEG C to BiVO4Nanowire growth It influences.
Generation of the whole preparation process of the present invention without poisonous and harmful substances not can cause environmental pollution, will not endanger Health, it is safe and environment-friendly.
Description of the drawings
Fig. 1 is the BiVO prepared using method in the embodiment of the present invention 14Nano wire SEM figures.
Fig. 2 is BiVO after the annealing prepared using method in the embodiment of the present invention 14Nano wire SEM figures.
Fig. 3 is the BiVO prepared using method in the embodiment of the present invention 14BiVO after nano wire and annealing4The photoelectricity of nano wire Current density figure.
Specific implementation mode
For a better understanding of the present invention, the invention will be further described in the following with reference to the drawings and specific embodiments.
The cleaning process of FTO glass is:FTO glass is cut into the cm specifications of 2.5 cm × 1.5, first uses ultrasonic detergent 10min removes surface and oil contaminant, then uses distilled water ultrasound 3 times, and 10 min, is finally cleaned by ultrasonic 10 with absolute ethyl alcohol every time It dries up, is sealed spare in nitrogen after min.
Embodiment 1
BiVO4The hydro-thermal method preparation process of nano wire is as follows:
The citric acid for weighing the bismuth nitrate of 5mmol, the ammonium metavanadate of 5 mmol and 10 mmol is dissolved in 15mL, volume point The HNO that number is 23.3%3In solution, A liquid is formed;It takes 8mL A liquid in 50mL glass beakers, 0.48g PVA and 2mL is added Acetic acid stirs to being completely dissolved, obtains sticky BiVO4Blue seed liquor;By step BiVO4Seed liquor is spin-coated on clean FTO It is placed in Muffle furnace on glass, is warming up to 400 DEG C with the rate of 2 DEG C/min, calcining 5h obtains BiVO4Seed layer is placed in anti- In the polytetrafluoroethyllining lining for answering kettle;In 50mL glass beakers, 16mL deionized waters and 4mL HNO is added3, stirring makes it It is uniformly mixed, the bismuth nitrate of the ammonium metavanadate and 1mmol of 1mmol is then added, be added 5.7g's after it is completely dissolved NaHCO3, it after stirring 30min, is transferred in the polytetrafluoroethyllining lining of aforesaid reaction vessel, is taken out after reacting 6h at 120 DEG C, Natural cooling is rinsed well with deionized water, and drying obtains BiVO4Nano wire;Then the nano wire is placed in porcelain boat and is placed Among tube furnace, 500 DEG C are warming up to the rate of 2 DEG C/min in air, keeps 60min annealing.
To above-mentioned BiVO4BiVO after nano wire and annealing4Nano wire carries out SEM Morphological Characterizations, as a result institute as shown in Figure 1, Figure 2 Show.It can be seen from the figure that BiVO prepared by hydro-thermal method4Nano wire pattern is uniform(Fig. 1), BiVO after annealed processing4Nano wire Equal vertical growth, and it is very fine and close, top also becomes more round and smooth(Fig. 2).
With CHI660 electrochemical workstations, using three-electrode system, the BiVO forward and backward to annealing4Nano wire carries out LSV Test is respectively working electrode with the two, and Pt is to electrode, and SCE is reference electrode;Electrolyte is the Na of 1.0mol/L2SO4, electricity Gesture window is -0.2-1.2V, and test results are shown in figure 3.It can be seen from the figure that BiVO4Electric current is close before annealing nanowires Degree is 0.20mA/cm2, electric current increases after annealing, shows larger photocurrent response, about 0.91mA/cm2(Relatively Current density when reversible hydrogen electrode potential is in 1.23V), have preferable photoelectric response characteristic, photocatalytic activity high.
Embodiment 2
BiVO4The hydro-thermal method preparation process of nano wire is as follows:
The citric acid for weighing the bismuth nitrate of 3mmol, the ammonium metavanadate of 3mmol and 8mmol is dissolved in 18mL, volume fraction is 23.3% HNO3In solution, A liquid is formed;It takes 6mL A liquid in 50mL glass beakers, 0.52g PVA and 1.5mL vinegar is added Acid stirs to being completely dissolved, obtains sticky BiVO4Blue seed liquor;Using spin-coating method by step BiVO4Seed liquor is spin-coated on It is placed in Muffle furnace on clean FTO glass, is warming up to 400 DEG C with the rate of 2 DEG C/min, calcining 4h obtains BiVO4Seed Layer, is placed in the polytetrafluoroethyllining lining of reaction kettle;In 50mL glass beakers, 18mL deionized waters and 5mL HNO is added3, Stirring makes it be uniformly mixed, and the bismuth nitrate of the ammonium metavanadate and 0.5mmol of 0.5mmol is then added, and adds after it is completely dissolved Enter the NaHCO of 5.0g3, after stirring 20min, it is transferred in the polytetrafluoroethyllining lining of aforesaid reaction vessel, reacts 2h at 120 DEG C After take out, natural cooling is rinsed well with deionized water, drying, obtain BiVO4Nano wire;Then the nano wire is placed in porcelain It is placed among tube furnace in boat, is warming up to 600 DEG C in air with the rate of 2.5 DEG C/min, keep 30min annealing.
Embodiment 3
BiVO4The hydro-thermal method preparation process of nano wire is as follows:
The citric acid for weighing the bismuth nitrate of 4mmol, the ammonium metavanadate of 4mmol and 9mmol is dissolved in 20mL, volume fraction For 23.3% HNO3In solution, A liquid is formed;It takes 7mL A liquid in 50mL glass beakers, 0.64g PVA and 1.8mL is added Acetic acid stirs to being completely dissolved, obtains sticky BiVO4Blue seed liquor;Using spin-coating method by step BiVO4Seed liquor spin coating It is placed in Muffle furnace on clean FTO glass, is warming up to 400 DEG C with the rate of 2 DEG C/min, calcining 6h obtains BiVO4Kind Sublayer is placed in the polytetrafluoroethyllining lining of reaction kettle;In 50mL glass beakers, 20mL deionized waters and 6mL is added HNO3, stirring makes it be uniformly mixed, and the bismuth nitrate of the ammonium metavanadate and 0.7mmol of 0.8mmol is then added, waits for that it is completely dissolved The NaHCO of 5.3g is added afterwards3, after stirring 25min, it is transferred in the polytetrafluoroethyllining lining of aforesaid reaction vessel, it is anti-at 120 DEG C It is taken out after answering 10h, natural cooling is rinsed well with deionized water, and drying obtains BiVO4Nano wire;Then the nano wire is set It is placed among tube furnace in porcelain boat, is warming up to 550 DEG C in air with the rate of 2.2 DEG C/min, keep 45min annealing.

Claims (1)

1.BiVO4The hydro-thermal method preparation process of nano wire, which is characterized in that include the following steps:
(1)BiVO4The preparation of seed liquor
The bismuth nitrate, the ammonium metavanadate of 3-5 mmol and the citric acid of 8-10mmol for weighing 3-5mmol are dissolved in 15-20mL, body The HNO that fraction is 23.3%3In solution, A liquid is formed;It takes 6-8mL A liquid in 50mL glass beakers, 0.48- is added 0.64g PVA and 1.5-2mL acetic acid stirs to being completely dissolved, obtains sticky BiVO4Blue seed liquor;
(2)BiVO4The preparation of seed layer
By step(1)Middle BiVO4Seed liquor is spin-coated on clean FTO glass and is placed in Muffle furnace, with the rate of 2 DEG C/min 400 DEG C are warming up to, calcining 4-6h obtains BiVO4Seed layer is placed in the polytetrafluoroethyllining lining of reaction kettle;
(3)BiVO4The preparation of nano wire
In glass beaker, 16-20mL deionized waters and 4-6mL HNO is added3, stirring makes it be uniformly mixed, and is then added The NaHCO of 5.0-5.7g is added in the ammonium metavanadate of 0.5-1mmol and the bismuth nitrate of 0.5-1mmol after it is completely dissolved3, stir After mixing 20-30min, it is transferred to step(3)In the polytetrafluoroethyllining lining of middle reaction kettle, taken after reacting 2-10h at 120 DEG C Go out, natural cooling is rinsed well with deionized water, drying;
(4)BiVO4The annealing of nano wire
By step(3)Sample obtained is placed in magnetic boat and is placed among tube furnace, in air with the rate of 2-2.5 DEG C/min It is warming up to 500-600 DEG C, keeps 30-60min.
CN201710042462.3A 2017-01-20 2017-01-20 BiVO4The hydro-thermal method preparation process of nano wire Expired - Fee Related CN106745249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710042462.3A CN106745249B (en) 2017-01-20 2017-01-20 BiVO4The hydro-thermal method preparation process of nano wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710042462.3A CN106745249B (en) 2017-01-20 2017-01-20 BiVO4The hydro-thermal method preparation process of nano wire

Publications (2)

Publication Number Publication Date
CN106745249A CN106745249A (en) 2017-05-31
CN106745249B true CN106745249B (en) 2018-07-31

Family

ID=58944830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710042462.3A Expired - Fee Related CN106745249B (en) 2017-01-20 2017-01-20 BiVO4The hydro-thermal method preparation process of nano wire

Country Status (1)

Country Link
CN (1) CN106745249B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107354476A (en) * 2017-06-27 2017-11-17 青岛鲁润中科环境工程技术开发有限公司 The preparation method and applications of iron-based double-metal hydroxide/pucherite light anode
CN108579724B (en) * 2018-05-21 2020-12-08 广州大学 Bismuth vanadate nanotube crystal array growing on transparent conductive substrate in [010] direction and preparation and application thereof
CN109778304B (en) * 2019-03-20 2020-07-31 广州大学 Vanadium-doped bismuth sulfide nanowire crystal film and preparation method and application thereof
CN111821972A (en) * 2019-04-16 2020-10-27 中国科学院大连化学物理研究所 Bismuth vanadate thin film electrode formed by oriented growth crystal array and preparation and application thereof
CN114162864A (en) * 2021-11-11 2022-03-11 中国科学院大连化学物理研究所 Rapid synthesis method of shape-controllable one-dimensional bismuth vanadate nanoarray

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551637A1 (en) * 1992-01-16 1993-07-21 BASF Aktiengesellschaft Bismuth vanadate pigments
CN101318700A (en) * 2008-07-16 2008-12-10 武汉大学 Bismuth vanadate powder and preparation method thereof
CN102626616A (en) * 2012-03-26 2012-08-08 哈尔滨工业大学 Preparation method of vanadate photocatalytic material
CN102949991A (en) * 2012-11-09 2013-03-06 陕西科技大学 Method for preparing BiVO4 film with photocatalysis performance by using sol-gel method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551637A1 (en) * 1992-01-16 1993-07-21 BASF Aktiengesellschaft Bismuth vanadate pigments
CN101318700A (en) * 2008-07-16 2008-12-10 武汉大学 Bismuth vanadate powder and preparation method thereof
CN102626616A (en) * 2012-03-26 2012-08-08 哈尔滨工业大学 Preparation method of vanadate photocatalytic material
CN102949991A (en) * 2012-11-09 2013-03-06 陕西科技大学 Method for preparing BiVO4 film with photocatalysis performance by using sol-gel method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
(040)-Crystal Facet Engineering of BiVO4 Plate Photoanodes for Solar Fuel Production;Chang Woo Kim等;《Adv. Energy Mater.》;20161231;第6卷;第1501754页 *
Aqueous Growth of Pyramidal-Shaped BiVO4Nanowire Arrays and Structural Characterization: Application to Photoelectrochemical Water Splitting;Jinzhan Su等;《Crystal Growth & Design》;20101231;第10卷(第2期);第856-861页 *
水热法制备BiVO4及其光催化性能研究;于谦等;《应用化工》;20140430;第43卷(第4期);第600-606页 *

Also Published As

Publication number Publication date
CN106745249A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN106745249B (en) BiVO4The hydro-thermal method preparation process of nano wire
CN106521547B (en) A kind of TiO2/RGO/C3N4The Preparation method and use of combination electrode
CN103409778B (en) The TiO2/Cu2O nano heterojunction that compound mask legal system is standby
CN108103525A (en) N doping carbon dots modification tungstic acid complex light electrode and preparation method thereof and the application in photoelectrocatalysis decomposes water
CN107221441A (en) A kind of solar cell based on composite nanostructure light anode
CN106525942B (en) A kind of construction method with the photic electric transducer that the time is reading signal
CN110016691B (en) WO (WO)3/Fe2O3/Mn3O4Preparation method of composite photo-anode film
CN107130256B (en) Boron doping carbonitride modified titanic oxide complex light electrode and preparation method thereof, application
CN101575713A (en) Optical anode used for hydrogen production by photoelectrochemistry decomposition water and preparation method thereof
CN109092319A (en) A kind of WO3/BiVO4/ FeOOH ternary system composite material and its preparation method and application
CN107475745A (en) Phosphorus doping nitridation carbon composite modified titanic oxide optoelectronic pole, its preparation method and the application of a kind of gold modification
CN107445196A (en) A kind of stratiform Sn3O4/SnO2The preparation method of hetero-junctions square piece type gas sensitive
CN108183242A (en) A kind of preparation method of novel lithium-air battery and its anode
CN110241439A (en) A kind of corona treatment prepares surface hydroxylation WO3The method of film photoelectric electrode material
CN108842168B (en) Two-step electrochemical method for preparing g-C3N4/MMO composite film photoelectrode
CN110054224A (en) A kind of stratiform tungsten trioxide photoelectrode material and preparation method thereof
CN107833752A (en) A kind of DSSC that is used for is to heteropoly acid composite of electrode and preparation method thereof
CN101700485B (en) Photoelectric catalytic device
CN106881078B (en) Z-type junction ZnO-WO3Electrode, preparation method thereof and application thereof in photoelectrocatalysis
CN105568309B (en) A kind of preparation method of the optoelectronic pole of photoelectrochemical cell
CN104538191B (en) The preparation method and dye-sensitized solar cell anode and DSSC of dye-sensitized solar cell anode
CN107583642A (en) Graphene quantum dot loaded Ag TiO2The preparation method of nano-array
CN106345534B (en) A kind of Bi2WO6/ Ag hetero nano structure material, preparation method and applications
CN108832140A (en) A kind of atomic layer deposition method prepares low platinum load copper nano-wire composite catalyst and its oxygen reduction reaction application
CN107262124A (en) A kind of preparation method of the CuI BiOI/Cu thin-film materials with antibacterial functions

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180731

CF01 Termination of patent right due to non-payment of annual fee